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samples: net: dns: Add mDNS client support to DNS resolver sample

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The DNS resolver example enables mDNS client support and then
queries zephyr.local hostname. The net-tools project has example
avahi-daemon script that will response these .local queries and
can be used in testing.

Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2017-09-03 22:12:23 +03:00 • committed by Anas Nashif
commit af63ae28ec
3 changed files with 181 additions and 86 deletions
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38
samples/net/dns_resolve/prj.conf
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@ -3,19 +3,19 @@ CONFIG_NET_UDP=y
CONFIG_RANDOM_GENERATOR=y
CONFIG_TEST_RANDOM_GENERATOR=y
CONFIG_INIT_STACKS=y
CONFIG_NET_PKT_RX_COUNT=4
CONFIG_NET_PKT_TX_COUNT=4
CONFIG_NET_BUF_RX_COUNT=14
CONFIG_NET_BUF_TX_COUNT=14
CONFIG_NET_PKT_RX_COUNT=10
CONFIG_NET_PKT_TX_COUNT=10
CONFIG_NET_BUF_RX_COUNT=10
CONFIG_NET_BUF_TX_COUNT=10
CONFIG_NET_IF_UNICAST_IPV6_ADDR_COUNT=3
CONFIG_NET_IF_MCAST_IPV6_ADDR_COUNT=5
CONFIG_NET_LOG=y
CONFIG_SYS_LOG=y
CONFIG_SYS_LOG_NET_LEVEL=4
CONFIG_SYS_LOG_NET_LEVEL=2
CONFIG_SYS_LOG_SHOW_COLOR=y
#CONFIG_NET_DEBUG_NET_PKT=y
CONFIG_NET_DEBUG_NET_PKT=y
CONFIG_NET_DEBUG_DNS_RESOLVE=y
#CONFIG_NET_DEBUG_CONTEXT=y
#CONFIG_NET_DEBUG_CORE=y
@ -24,27 +24,35 @@ CONFIG_NET_DEBUG_DNS_RESOLVE=y
#CONFIG_NET_DEBUG_IPV6=y
#CONFIG_NET_DEBUG_UDP=y
#CONFIG_NET_DEBUG_DHCPV4=y
#CONFIG_SLIP_DEBUG=y
#CONFIG_NET_DEBUG_L2_ETHERNET=y
CONFIG_NET_IPV4=y
CONFIG_NET_IPV6=y
CONFIG_NET_IPV4=y
CONFIG_NET_DHCPV4=n
# Enable the DNS resolver
CONFIG_DNS_RESOLVER=y
# Enable additional buffers
CONFIG_DNS_RESOLVER_ADDITIONAL_BUF_CTR=2
CONFIG_DNS_RESOLVER_ADDITIONAL_BUF_CTR=5
# Enable additional queries
CONFIG_DNS_RESOLVER_ADDITIONAL_QUERIES=2
# Enable mDNS support
CONFIG_MDNS_RESOLVER=y
CONFIG_DNS_RESOLVER_MAX_SERVERS=2
CONFIG_DNS_SERVER_IP_ADDRESSES=y
CONFIG_DNS_NUM_CONCUR_QUERIES=2
CONFIG_DNS_NUM_CONCUR_QUERIES=5
# Use local dnsmasq server for testing
CONFIG_DNS_SERVER1="[2001:db8::2]:15353"
CONFIG_DNS_SERVER2="192.0.2.2:15353"
# Google DNS IPv4 and IPv6 servers
CONFIG_DNS_SERVER1="8.8.8.8"
CONFIG_DNS_SERVER2="2001:4860:4860::8888"
#CONFIG_DNS_SERVER1="8.8.8.8"
#CONFIG_DNS_SERVER2="2001:4860:4860::8888"
CONFIG_NET_DHCPV4=y
# Router is needed when resolving using external DNS servers
CONFIG_NET_APP_NEED_IPV6_ROUTER=n
CONFIG_NET_MGMT=y
CONFIG_NET_MGMT_EVENT=y
@ -52,7 +60,11 @@ CONFIG_NET_MGMT_EVENT=y
CONFIG_NET_SHELL=y
CONFIG_NET_APP_SETTINGS=y
CONFIG_NET_APP_NEED_IPV6=y
CONFIG_NET_APP_NEED_IPV4=y
CONFIG_NET_APP_MY_IPV6_ADDR="2001:db8::1"
CONFIG_NET_APP_PEER_IPV6_ADDR="2001:db8::2"
CONFIG_NET_APP_MY_IPV4_ADDR="192.0.2.1"
CONFIG_NET_APP_PEER_IPV4_ADDR="192.0.2.2"
CONFIG_MAIN_STACK_SIZE=1504